Revision: 45771
http://brlcad.svn.sourceforge.net/brlcad/?rev=45771&view=rev
Author: r_weiss
Date: 2011-08-03 17:42:57 +0000 (Wed, 03 Aug 2011)
Log Message:
-----------
Updated function 'rt_tor_tess' within file 'src/librt/primitives/tor/tor.c' by
adding a call to function 'nmg_keu_zl' which removes all zero length edgeuse.
Under certain conditions the function 'rt_tor_tess' will create a tessellated
torus which contains zero length edgeuse which is invalid and causes a crash in
later functions. An example of a torus which causes a crash during 'facetize'
is object 'old.s82' within the 'm35.g' sample model. This change is disabled by
default and supports the prototype version of function 'nmg_triangulate_fu'.
This is a work in progress.
Modified Paths:
--------------
brlcad/trunk/src/librt/primitives/tor/tor.c
Modified: brlcad/trunk/src/librt/primitives/tor/tor.c
===================================================================
--- brlcad/trunk/src/librt/primitives/tor/tor.c 2011-08-03 17:31:06 UTC (rev
45770)
+++ brlcad/trunk/src/librt/primitives/tor/tor.c 2011-08-03 17:42:57 UTC (rev
45771)
@@ -1275,6 +1275,11 @@
}
}
+#ifdef TRI_PROTOTYPE
+ /* kill zero length edgeuse */
+ (void)nmg_keu_zl(s, tol);
+#endif
+
/* Compute "geometry" for region and shell */
nmg_region_a(*r, tol);
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